.main{
    margin: 0 auto;
    width: 100%;
    height: 380px;
    /*border: 1px solid black;*/
    text-align: center;
}
body{
    background: url("../images/preview-1.jpg");
}
h2,h3,p{
    color: white;
}
#top{
    height: 42px;
    background: rgba(255,255,255,0.7);
    width: 100%;
    text-align: center;
    line-height: 42px;
    font-weight: bold;
}
.top{
    height: 150px;
    text-align: center;
    /*border: 1px solid yellow;*/
}
.up,.center,.down{
    margin-bottom: 20px;
}
input[type=button]{
    width: 200px;
    height: 100px;
    border: 1px solid cornflowerblue;
    border-radius: 15px;
    background-color: rgba(0,0,0,0.2);
    font-size: 20px;
    color: #ffffff;
}
input[type='button']:hover{
    cursor: pointer;
    width: 220px;
    height: 130px;
    font-size: 22px;
    color: #A3AEFF;
    border: 1px solid #f5fafe;
}
#login-a,#logout-a{
    color: #409Eff;
}
#logout-a:hover,#login-a:hover{
    color: yellow;
    text-decoration: none;
}
